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All Patents of Type: sand blasters | |||||
Number | Date | Patentee | Title | Type | |
1,170,198 | Feb. 01, 1916 | F.G. Chambers, A. Winter, J.E. Sweet | Sand Blast Device | sand blasters | |
4,084,357 | Apr. 18, 1978 | R.W. Moses | Valve cleaning machine | sand blasters |